List of top Atmospheric Science Questions asked in Common University Entrance Test

A light beam traveling in the x-direction is described by the magnetic field \( B_z = 2 \times 10^{-6} \sin \omega(t - x/c) \) Tesla. The value of the maximum electric field is
Arrange the following minerals in decreasing order of their hardness as per Mohs scale.
A. Orthoclase
B. Calcite
C. Corundum
D. Fluorite
In the Bowen's reaction series, which of the following mineral(s) is/are crystallized prior to amphibole?
A. Biotite
B. Clinopyroxene
C. K-feldspar
D. Forsterite
The period of a satellite in a circular orbit of radius 12000 km around a planet is 3 hours. Obtain the period of a satellite in a circular orbit of radius 48000 km around the same planet.
The first law of thermodynamics is the statement of
Choose the CORRECT statement about the behavior of product PV against pressure for real gas. [where P is pressure and V is volume]
The appearance of the blue color of the sky and reddish color of the sun at sunrise and sunset is due to which phenomenon of light?
The mean free path of the molecules of a gas at 25°C is \(2.63 \times 10^{-5}\) meter. If the radius of the molecule is \(2.56 \times 10^{-10}\) meter, find the pressure of the gas. [\(k = 1.38 \times 10^{-23}\) Joule/K]
A body P at 1000 K emits maximum energy at a wavelength of 3000 nm. If another body Q emits maximum energy at wavelength 550 nm, what will be the temperature of that body Q?
At what rate will energy be emitted from a black body whose filament has a temperature of 3600 K, if at 1800 K the energy is emitted at the rate of 16W?
Arrange the following capacities of storage units according to their sizes (smallest to largest)
A. 1 GB
B. 1 MB
C. 1 TB
D. 1 KB
The brilliant colors in thin films of soap are due to \(\underline{\hspace{1cm}}\).
Match LIST-I with LIST-II
LIST-I
(A) Primary Key
(B) Alternate Key
(C) Super Key
(D) Composite Key
LIST-II
(I) Composed with at least two attributes
(II) Can contain extraneous attributes
(III) Only one such key is permitted in a relation
(IV) Used when the primary key is not working
Which of the following statements are true?
A. Address bus connects CPU to memory modules for data access.
B. System bus connects CPU to I/O devices, cache etc.
C. System bus is usually classified as data bus, address bus and control bus.
D. The width of data bus has no connection with the amount of the data that can be transferred simultaneously.
In uni-processor operating system, the term "multiprogramming" means?
While writing a computer programming code, it was found that Team A incurred 250 errors in a code of 1000 lines while Team B incurred 300 errors in a code of 800 lines. In order to determine whether Team A has performed better than Team B, a statistical hypothesis was set and tested. Then the value of the test statistic is:
For two correlated data series X and Y, which formula for \( \text{Var}(X-Y) \) is correct?
The arithmetic mean of 10 items is 5. If 5 is added to each of the first seven items and 3 is subtracted from each of the last three items, then the mean of the new data series is:
The differential equation \( (1+3x^2y^2+\beta x^2y^4)dx + (2x^3y+2x^3y^3)dy = 0 \) will be exact differential equation if (assuming typos in original question are corrected as shown):
In a sports event of football and basketball, 132 students registered to play football and 93 students registered in basketball. If the total number of students registered in the event is 200, then the number of students registered in both the games is:
Let \( g(x) = x^2 \), \( -\pi \le x \le \pi \). The coefficient of \( \cos(3x) \) in the Fourier series expansion of \(g(x)\) is:
Let \(y(t)\) be the solution of the differential equation \(y''+4y=0\), \(y(0)=1\), \(y'(0)=-6\), then the Laplace transformation \(Y(s)\) of the solution is equal to
The imaginary part of the complex number \( \log(1+i) \) is
If \( A = \begin{bmatrix} 1 & 2 & -1 \\ 3 & 4 & 2 \\ 2 & 0 & 1 \end{bmatrix} \) and \( B = \begin{bmatrix} 1 & 3 \\ -4 & 0 \\ 2 & 5 \end{bmatrix} \) are two matrices, then which one of the following is incorrect:
Which of the following statements are correct?
A. In a skew-symmetric matrix, all diagonal elements are zero.
B. A square matrix is called a diagonal matrix if all its non-diagonal elements are one.
C. If the determinant of the matrix is zero, then the matrix is known as non-singular matrix.
D. The product of a matrix A and its adjoint is equal to unit matrix multiplied by the determinant A.